Welcome to our dedicated page for Allete SEC filings (Ticker: ALE), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
This page provides access to historical SEC filings for ALLETE, Inc. (formerly NYSE: ALE), an energy company headquartered in Duluth, Minnesota. These documents trace ALLETE’s evolution as a publicly traded utilities‑sector issuer through its transition to private ownership under Alloy Parent LLC, an entity jointly owned by Canada Pension Plan Investment Board and Global Infrastructure Partners.
Key filings include Form 8‑K reports describing the Agreement and Plan of Merger dated May 5, 2024, the completion of the merger on December 15, 2025, and the resulting change of control. The December 15, 2025 Form 8‑K explains how Alloy Merger Sub LLC merged with and into ALLETE, how each share of common stock was converted into the right to receive cash merger consideration, and how ALLETE became a wholly owned subsidiary of Alloy Parent. Related 8‑K filings also discuss regulatory approvals from the Minnesota Public Utilities Commission and other agencies, as well as the declaration and mechanics of a stub period dividend tied to the merger closing.
Filings on this page also document ALLETE’s delisting and deregistration process. A Form 25 filed on December 15, 2025 by the New York Stock Exchange removes ALLETE’s common stock from listing and registration under Section 12(b) of the Exchange Act, while a Form 15 filed on December 29, 2025 terminates registration under Section 12(g) and suspends periodic reporting obligations under Sections 13 and 15(d). Earlier 8‑K filings address financing transactions, such as the issuance of first mortgage bonds, and other material events.
Stock Titan’s tools surface these filings as they appear on EDGAR and can help users quickly locate merger‑related disclosures, delisting notices, and other historical reports for the former ALE ticker. Investors researching ALLETE’s past capital structure, regulatory context or transaction history can use these documents to understand how the company moved from public listing to private ownership while maintaining its regulated utility operations.
ALLETE Inc. director Douglas C. Neve reported the cash disposition of his common stock in connection with the company’s merger with Alloy Parent LLC. On December 15, 2025, each share of ALLETE common stock was automatically converted into the right to receive $67.00 in cash per share under the merger agreement.
Neve reported disposing of 19,597.34 shares of common stock held directly and 11,592.45 shares held indirectly through a trust, resulting in zero ALLETE shares beneficially owned after the transaction. Deferred stock units and accumulated dividend equivalents held by non-employee directors were canceled and converted into cash rights based on the same $67.00 per-share merger consideration.
ALLETE Inc. director Susan K. Nestegard reported the disposition of 14,883.75 shares of ALLETE common stock on December 15, 2025, when a merger between ALLETE and Alloy Parent LLC’s subsidiary became effective. Under the merger agreement, each share of ALLETE common stock was automatically converted into the right to receive $67.00 in cash per share, so Nestegard’s reported direct ownership fell to zero.
The reported share amount includes stock acquired in exempt transactions through dividend-equivalent features on deferred stock awards under ALLETE’s non-employee director deferral plan. Deferred stock units held by non-employee directors were canceled at the merger effective time and converted into cash payments equal to the number of shares underlying each unit, including accumulated dividend equivalents, multiplied by the $67.00 merger consideration.
ALLETE Inc. reported that a company director disposed of all reported common stock holdings in connection with the completion of its merger with Alloy Parent LLC. On December 15, 2025, each share of ALLETE common stock was automatically converted into the right to receive $67.00 in cash per share, as provided in the merger agreement. The insider report shows sales of 7,247.26 shares held directly and 250-share positions in each of two revocable trusts, all at $67.00 per share, leaving no shares beneficially owned after the transaction. In addition, deferred stock units held by non-employee directors were canceled and converted into cash based on the number of underlying shares multiplied by the same $67.00 merger price.
ALLETE Inc. has completed a cash merger that cashed out a director’s holdings. On December 15, 2025, Alloy Merger Sub LLC merged with ALLETE, making the company a subsidiary of Alloy Parent LLC. Each share of ALLETE common stock was automatically converted into the right to receive $67.00 in cash per share, without interest.
The reporting person, a director, disposed of 5,200.39 shares of common stock held directly and 20,782.75 shares held indirectly through a trust at $67 per share, leaving 0 shares beneficially owned. Deferred stock units held by non‑employee directors were canceled and converted into a cash payment equal to the number of underlying shares, including dividend equivalents, multiplied by the $67.00 merger consideration. The dispositions were approved by ALLETE’s board under Rule 16b‑3.
ALLETE Inc. director James J. Hoolihan reported the cash-out of his holdings in connection with the company’s merger with Alloy Parent LLC. On December 15, 2025, he disposed of 30,394.3 shares of ALLETE common stock at $67.00 per share, leaving him with zero shares beneficially owned directly.
Under the merger agreement, Alloy Merger Sub LLC merged with and into ALLETE, which continued as a subsidiary of Alloy Parent. Each ALLETE common share was automatically converted into the right to receive $67.00 in cash without interest. Deferred stock units held by non-employee directors were canceled and converted into cash based on the number of underlying shares, including accumulated dividend equivalents, multiplied by the same $67.00 merger consideration.
ALLETE, Inc. director reported the disposition of all of his common stock in connection with ALLETE’s merger with Alloy Parent LLC at $67.00 per share in cash.
The filing shows 25,442.35 shares of common stock held directly and 1,000 shares held indirectly through a trust, each coded as dispositions at $67 per share on 12/15/2025, leaving zero shares beneficially owned. It explains that at the effective time of the merger, each ALLETE common share and each deferred stock unit held by non‑employee directors was converted into the right to receive cash based on the $67.00 merger consideration, including accumulated dividend equivalents.
ALLETE, Inc. has completed a merger under its Agreement and Plan of Merger with Alloy Parent LLC, in which Alloy Merger Sub LLC merged with and into ALLETE. As a result, ALLETE continues as the surviving corporation and is now a wholly owned subsidiary of Alloy Parent LLC. Each share of common stock outstanding immediately before the effective time was cancelled and converted into the right to receive $67.00 in cash, so prior shareholders now hold cash and related rights instead of ALLETE shares.
Equity awards, including time-based restricted stock units, deferred stock units and performance share awards, were cancelled at closing and converted into cash-based rights tied to the $67 merger consideration, generally preserving the original vesting or performance schedules. Purchase rights under the Employee Stock Purchase Plan were exercised into shares before closing and the plan was terminated.
Trading in ALLETE common stock on the NYSE was suspended before the opening on the closing date, the company asked the NYSE to delist the shares via Form 25, and it plans to file Form 15 to terminate registration and suspend periodic SEC reporting. The board also declared, subject to the consummation of the Merger, a stub period dividend equal to $0.008 per share multiplied by the days from August 16, 2025 through the closing date, payable on the fifth Business Day after closing to holders who receive the merger cash.
ALLETE Inc is the subject of a Form 25 notification stating that its common stock will be removed from listing and registration on the New York Stock Exchange under Section 12(b) of the Securities Exchange Act of 1934. The exchange reports that it has followed its own rules to strike this class of securities, and that the issuer has met the requirements for voluntary withdrawal from listing and registration.
The notice is signed on behalf of the New York Stock Exchange by an authorized analyst, confirming that the conditions for filing Form 25 are satisfied. This means ALLETE’s common stock will cease to maintain its NYSE listing once the removal process is completed.